A car manufacturer determines that its profit, P, in thousands of pesos, can be modeled by the function P(x)=0.00125 x + x -3, where x represents the number of cars sold. What is the profit at x=150?

What is the equation of the following graph in vertex form? parabolic function going down from the left through the point zero comma twelve and through the point two comma zero and turning at the point four comma negative four and going up through the point six comma zero and continuing towards infinity courtesy of texas instruments a: y = (x − 4)2 − 4 b: y = (x + 4)2 − 4 c: y = (x + 2)2 + 6 d: y = (x + 2)2 + 12

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how